16 #include <linux/kernel.h>
17 #include <asm/clock.h>
21 static int stc_multipliers[] = { 1, 2, 4, 1, 3, 6, 1, 1 };
23 static int pfc_divisors[] = { 1, 2, 4, 1, 3, 6, 1, 1 };
25 static void master_clk_init(
struct clk *
clk)
28 int idx = ((frqcr & 0x2000) >> 11) | (frqcr & 0x0003);
33 static struct sh_clk_ops sh7706_master_clk_ops = {
34 .init = master_clk_init,
37 static unsigned long module_clk_recalc(
struct clk *
clk)
40 int idx = ((frqcr & 0x2000) >> 11) | (frqcr & 0x0003);
42 return clk->
parent->rate / pfc_divisors[
idx];
45 static struct sh_clk_ops sh7706_module_clk_ops = {
46 .recalc = module_clk_recalc,
49 static unsigned long bus_clk_recalc(
struct clk *
clk)
52 int idx = ((frqcr & 0x8000) >> 13) | ((frqcr & 0x0030) >> 4);
54 return clk->
parent->rate / stc_multipliers[
idx];
57 static struct sh_clk_ops sh7706_bus_clk_ops = {
58 .recalc = bus_clk_recalc,
61 static unsigned long cpu_clk_recalc(
struct clk *
clk)
64 int idx = ((frqcr & 0x4000) >> 12) | ((frqcr & 0x000c) >> 2);
69 static struct sh_clk_ops sh7706_cpu_clk_ops = {
70 .recalc = cpu_clk_recalc,
74 &sh7706_master_clk_ops,
75 &sh7706_module_clk_ops,
83 *ops = sh7706_clk_ops[
idx];